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<title>Using as: MIPS ASE Instruction Generation Overrides</title>

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<a name="MIPS-ASE-Instruction-Generation-Overrides"></a>
<div class="header">
<p>
Next: <a href="MIPS-Floating_002dPoint.html#MIPS-Floating_002dPoint" accesskey="n" rel="next">MIPS Floating-Point</a>, Previous: <a href="MIPS-Option-Stack.html#MIPS-Option-Stack" accesskey="p" rel="previous">MIPS Option Stack</a>, Up: <a href="MIPS_002dDependent.html#MIPS_002dDependent" accesskey="u" rel="up">MIPS-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="Directives-to-control-generation-of-MIPS-ASE-instructions"></a>
<h4 class="subsection">9.27.12 Directives to control generation of MIPS ASE instructions</h4>

<a name="index-MIPS-MIPS_002d3D-instruction-generation-override"></a>
<a name="index-_002eset-mips3d"></a>
<a name="index-_002eset-nomips3d"></a>
<p>The directive <code>.set mips3d</code> makes the assembler accept instructions
from the MIPS-3D Application Specific Extension from that point on
in the assembly.  The <code>.set nomips3d</code> directive prevents MIPS-3D
instructions from being accepted.
</p>
<a name="index-SmartMIPS-instruction-generation-override"></a>
<a name="index-_002eset-smartmips"></a>
<a name="index-_002eset-nosmartmips"></a>
<p>The directive <code>.set smartmips</code> makes the assembler accept
instructions from the SmartMIPS Application Specific Extension to the
MIPS32 ISA from that point on in the assembly.  The
<code>.set nosmartmips</code> directive prevents SmartMIPS instructions from
being accepted.
</p>
<a name="index-MIPS-MDMX-instruction-generation-override"></a>
<a name="index-_002eset-mdmx"></a>
<a name="index-_002eset-nomdmx"></a>
<p>The directive <code>.set mdmx</code> makes the assembler accept instructions
from the MDMX Application Specific Extension from that point on
in the assembly.  The <code>.set nomdmx</code> directive prevents MDMX
instructions from being accepted.
</p>
<a name="index-MIPS-DSP-Release-1-instruction-generation-override"></a>
<a name="index-_002eset-dsp"></a>
<a name="index-_002eset-nodsp"></a>
<p>The directive <code>.set dsp</code> makes the assembler accept instructions
from the DSP Release 1 Application Specific Extension from that point
on in the assembly.  The <code>.set nodsp</code> directive prevents DSP
Release 1 instructions from being accepted.
</p>
<a name="index-MIPS-DSP-Release-2-instruction-generation-override"></a>
<a name="index-_002eset-dspr2"></a>
<a name="index-_002eset-nodspr2"></a>
<p>The directive <code>.set dspr2</code> makes the assembler accept instructions
from the DSP Release 2 Application Specific Extension from that point
on in the assembly.  This directive implies <code>.set dsp</code>.  The
<code>.set nodspr2</code> directive prevents DSP Release 2 instructions from
being accepted.
</p>
<a name="index-MIPS-DSP-Release-3-instruction-generation-override"></a>
<a name="index-_002eset-dspr3"></a>
<a name="index-_002eset-nodspr3"></a>
<p>The directive <code>.set dspr3</code> makes the assembler accept instructions
from the DSP Release 3 Application Specific Extension from that point
on in the assembly.  This directive implies <code>.set dsp</code> and
<code>.set dspr2</code>.  The <code>.set nodspr3</code> directive prevents DSP
Release 3 instructions from being accepted.
</p>
<a name="index-MIPS-MT-instruction-generation-override"></a>
<a name="index-_002eset-mt"></a>
<a name="index-_002eset-nomt"></a>
<p>The directive <code>.set mt</code> makes the assembler accept instructions
from the MT Application Specific Extension from that point on
in the assembly.  The <code>.set nomt</code> directive prevents MT
instructions from being accepted.
</p>
<a name="index-MIPS-MCU-instruction-generation-override"></a>
<a name="index-_002eset-mcu"></a>
<a name="index-_002eset-nomcu"></a>
<p>The directive <code>.set mcu</code> makes the assembler accept instructions
from the MCU Application Specific Extension from that point on
in the assembly.  The <code>.set nomcu</code> directive prevents MCU
instructions from being accepted.
</p>
<a name="index-MIPS-SIMD-Architecture-instruction-generation-override"></a>
<a name="index-_002eset-msa"></a>
<a name="index-_002eset-nomsa"></a>
<p>The directive <code>.set msa</code> makes the assembler accept instructions
from the MIPS SIMD Architecture Extension from that point on
in the assembly.  The <code>.set nomsa</code> directive prevents MSA
instructions from being accepted.
</p>
<a name="index-Virtualization-instruction-generation-override"></a>
<a name="index-_002eset-virt"></a>
<a name="index-_002eset-novirt"></a>
<p>The directive <code>.set virt</code> makes the assembler accept instructions
from the Virtualization Application Specific Extension from that point
on in the assembly.  The <code>.set novirt</code> directive prevents Virtualization
instructions from being accepted.
</p>
<a name="index-MIPS-eXtended-Physical-Address-_0028XPA_0029-instruction-generation-override"></a>
<a name="index-_002eset-xpa"></a>
<a name="index-_002eset-noxpa"></a>
<p>The directive <code>.set xpa</code> makes the assembler accept instructions
from the XPA Extension from that point on in the assembly.  The 
<code>.set noxpa</code> directive prevents XPA instructions from being accepted.
</p>
<a name="index-MIPS16e2-instruction-generation-override"></a>
<a name="index-_002eset-mips16e2"></a>
<a name="index-_002eset-nomips16e2"></a>
<p>The directive <code>.set mips16e2</code> makes the assembler accept instructions
from the MIPS16e2 Application Specific Extension from that point on in the
assembly, whenever in MIPS16 mode.  The <code>.set nomips16e2</code> directive
prevents MIPS16e2 instructions from being accepted, in MIPS16 mode.  Neither
directive affects the state of MIPS16 mode being active itself which has
separate controls.
</p>
<a name="index-MIPS-cyclic-redundancy-check-_0028CRC_0029-instruction-generation-override"></a>
<a name="index-_002eset-crc"></a>
<a name="index-_002eset-nocrc"></a>
<p>The directive <code>.set crc</code> makes the assembler accept instructions
from the CRC Extension from that point on in the assembly.  The
<code>.set nocrc</code> directive prevents CRC instructions from being accepted.
</p>
<a name="index-MIPS-Global-INValidate-_0028GINV_0029-instruction-generation-override"></a>
<a name="index-_002eset-ginv"></a>
<a name="index-_002eset-noginv"></a>
<p>The directive <code>.set ginv</code> makes the assembler accept instructions
from the GINV Extension from that point on in the assembly.  The
<code>.set noginv</code> directive prevents GINV instructions from being accepted.
</p>
<a name="index-Loongson-MultiMedia-extensions-Instructions-_0028MMI_0029-generation-override"></a>
<a name="index-_002eset-loongson_002dmmi"></a>
<a name="index-_002eset-noloongson_002dmmi"></a>
<p>The directive <code>.set loongson-mmi</code> makes the assembler accept
instructions from the MMI Extension from that point on in the assembly.
The <code>.set noloongson-mmi</code> directive prevents MMI instructions from
being accepted.
</p>
<a name="index-Loongson-Content-Address-Memory-_0028CAM_0029-generation-override"></a>
<a name="index-_002eset-loongson_002dcam"></a>
<a name="index-_002eset-noloongson_002dcam"></a>
<p>The directive <code>.set loongson-cam</code> makes the assembler accept
instructions from the Loongson CAM from that point on in the assembly.
The <code>.set noloongson-cam</code> directive prevents Loongson CAM instructions
from being accepted.
</p>
<a name="index-Loongson-EXTensions-_0028EXT_0029-instructions-generation-override"></a>
<a name="index-_002eset-loongson_002dext"></a>
<a name="index-_002eset-noloongson_002dext"></a>
<p>The directive <code>.set loongson-ext</code> makes the assembler accept
instructions from the Loongson EXT from that point on in the assembly.
The <code>.set noloongson-ext</code> directive prevents Loongson EXT instructions
from being accepted.
</p>
<a name="index-Loongson-EXTensions-R2-_0028EXT2_0029-instructions-generation-override"></a>
<a name="index-_002eset-loongson_002dext2"></a>
<a name="index-_002eset-noloongson_002dext2"></a>
<p>The directive <code>.set loongson-ext2</code> makes the assembler accept
instructions from the Loongson EXT2 from that point on in the assembly.
This directive implies <code>.set loognson-ext</code>.
The <code>.set noloongson-ext2</code> directive prevents Loongson EXT2 instructions
from being accepted.
</p>
<p>Traditional MIPS assemblers do not support these directives.
</p>
<hr>
<div class="header">
<p>
Next: <a href="MIPS-Floating_002dPoint.html#MIPS-Floating_002dPoint" accesskey="n" rel="next">MIPS Floating-Point</a>, Previous: <a href="MIPS-Option-Stack.html#MIPS-Option-Stack" accesskey="p" rel="previous">MIPS Option Stack</a>, Up: <a href="MIPS_002dDependent.html#MIPS_002dDependent" accesskey="u" rel="up">MIPS-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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